<html>
  <head>
    <meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />
    <title>欢迎</title>

    <script src="./js/jquery-3.5.0.js" type="text/javascript"></script>

    <style type="text/css">
      body {
        background-color: #00b38a;
        text-align: center;
      }

      span {
        font-style: normal;
        font-variant-ligatures: normal;
        font-variant-caps: normal;
        font-variant-numeric: normal;
        font-variant-east-asian: normal;
        font-weight: normal;
        font-stretch: normal;
        font-size: 14px;
        line-height: 22px;
        font-family: "Hiragino Sans GB", "Microsoft Yahei", SimSun, Arial,
          "Helvetica Neue", Helvetica, monospace;
      }
    </style>
    <script type="text/javascript">
      $(document).ready(function () {
        let searchParams = new URLSearchParams(window.location.search);
        if (searchParams.has("email")) {
          $("#email").text(searchParams.get("email"));
        }
      });
    </script>
  </head>
  <body>
    欢迎回来，<span id="email"></span>
  </body>
</html>
